"National Water-Quality Assessment Program"Includes bibliographical references (p. 86-91).Mode of access: Internet
"National Water-Quality Assessment Program."Includes bibliographical references (p. 51-57).Mode of a...
"National Water-Quality Assessment Program"--Cover.Includes bibliographical references (p. 20-21).Mo...
"National Water-Quality Assessment Program--Georgia-Florida Coastal Plain Study Unit."Includes bibli...
"National Water-Quality Assessment Study Unit"--Cover.Includes bibliographical references (p. 48-50)...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 62-66).Mode of a...
"National Water-Quality Assessment Program"--Cover.Includes bibliographical references (p. 54-57).Mo...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 27-30).Mode of a...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 90-98).Mode of a...
Chiefly tables.Shipping list.: no. 96-0125-P."National Water-Quality Assessment Program"--Cover.Incl...
Shipping list.: no. 98-0020-P."National Water-Quality Assessment Program"--Cover.Includes bibliograp...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 48-50).Mode of a...
"National Water-Quality Assessment Program"--Cover.Shipping list no.: 95-0221-P.Includes bibliograph...
"National Water-Quality Assessment Program"Includes bibliographical references (p. 135-138).Mode of ...
Shipping list no.: 96-0316-P."National Water-Quality Assessment Program."Includes bibliographical re...
"Contributions from the National Water-Quality Assessment Program"--Cover.Includes bibliographical r...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 51-57).Mode of a...
"National Water-Quality Assessment Program"--Cover.Includes bibliographical references (p. 20-21).Mo...
"National Water-Quality Assessment Program--Georgia-Florida Coastal Plain Study Unit."Includes bibli...
"National Water-Quality Assessment Study Unit"--Cover.Includes bibliographical references (p. 48-50)...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 62-66).Mode of a...
"National Water-Quality Assessment Program"--Cover.Includes bibliographical references (p. 54-57).Mo...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 27-30).Mode of a...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 90-98).Mode of a...
Chiefly tables.Shipping list.: no. 96-0125-P."National Water-Quality Assessment Program"--Cover.Incl...
Shipping list.: no. 98-0020-P."National Water-Quality Assessment Program"--Cover.Includes bibliograp...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 48-50).Mode of a...
"National Water-Quality Assessment Program"--Cover.Shipping list no.: 95-0221-P.Includes bibliograph...
"National Water-Quality Assessment Program"Includes bibliographical references (p. 135-138).Mode of ...
Shipping list no.: 96-0316-P."National Water-Quality Assessment Program."Includes bibliographical re...
"Contributions from the National Water-Quality Assessment Program"--Cover.Includes bibliographical r...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 51-57).Mode of a...
"National Water-Quality Assessment Program"--Cover.Includes bibliographical references (p. 20-21).Mo...
"National Water-Quality Assessment Program--Georgia-Florida Coastal Plain Study Unit."Includes bibli...